Information

The increasingly popular radio frequency identification (RFID) credit cards that allow consumers to pay by tapping may be making it easier for crooks to steal valuable information with their smartphones.

Yahoo plans to extend the amount of time it retains user search records to 18 months from 90 days. The company said it will consider keeping other types of information about its users for longer durations, too.

Online radio service Pandora has received a subpoena from a federal grand jury investigating whether popular smartphone applications share information about their users with advertisers and other third parties.